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From "FG (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SANSELAN-21) Fetching GPS Latitude Ref gets Interoperability Index instead of Reference
Date Fri, 20 Nov 2009 12:27:39 GMT

    [ https://issues.apache.org/jira/browse/SANSELAN-21?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12780536#action_12780536
] 

FG commented on SANSELAN-21:
----------------------------

confirmed, using geo1.jpg:
IrfanView correctly extracts the GeoTags:
GPS Version ID: 2.2.0.0
GPS Latitude Ref: N
GPS Latitude: 47 49 2.29
GPS Longitude Ref: E
GPS Longitude: 11, 36, 40.114

while Sanselan produces the following output
GPS Version ID: Not Found.
GPS Latitude Ref: 'R98'     <- should be N?
GPS Latitude: 48, 49, 48, 48<- should be 47 49 2.29?
GPS Longitude Ref: 'E'
GPS Longitude: 11, 36, 40114/1000 (40,114)

static void getLocation(File file) throws IOException, ImageReadException {
     IImageMetadata metadata = Sanselan.getMetadata(file);
     if (metadata instanceof JpegImageMetadata) {
         JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;
         for (TagInfo ti : GPSTagConstants.ALL_GPS_TAGS) {
             TiffField field = jpegMetadata.findEXIFValue(ti);
             if (field != null) {
                 System.out.println(ti.name + ": " + field.getValueDescription());
             }
         }
     }
 }

> Fetching GPS Latitude Ref gets Interoperability Index instead of Reference
> --------------------------------------------------------------------------
>
>                 Key: SANSELAN-21
>                 URL: https://issues.apache.org/jira/browse/SANSELAN-21
>             Project: Commons Sanselan
>          Issue Type: Bug
>    Affects Versions: 0.94-incubator
>         Environment: Windows XP SP3, java version "1.5.0_17"
> apache-sanselan-incubating-0.97-bin.zip
>            Reporter: Christian Junk
>            Priority: Minor
>         Attachments: geo1.jpg, R0013102.jpg
>
>
> When testing  the following example
> https://svn.apache.org/repos/asf/incubator/sanselan/trunk/src/test/java/org/apache/sanselan/sampleUsage/MetadataExample.java
> with apache-sanselan-incubating-0.97 it always stops working throwing a ClassCastException.
It seems, that the line 
> TiffField gpsLatitudeRefField = jpegMetadata
> 					.findEXIFValue(TiffConstants.GPS_TAG_GPS_LATITUDE_REF);
> returns the Interoperability Index (R98) instead of the GPS Latitude Ref.
> XResolution: 72
> Date Time: '2008:07:23 18:19:58'
> Date Time Original: '2008:07:23 10:05:21'
> Create Date: '2008:07:23 10:05:21'
> ISO: 64
> Shutter Speed Value: Not Found.
> Aperture Value: 6
> Brightness Value: 81/10 (8,1)
> GPS Latitude Ref: 'R98'                              <------------------------------------
!!!!!!!
> GPS Latitude: 48, 49, 48, 48
> GPS Longitude Ref: 'E'
> GPS Longitude: 6, 38, 2061/100 (20,61)
> GPS Description: [GPS. Latitude: 49 degrees, 45 minutes, 34,18 seconds N, Longitude:
6 degrees, 38 minutes, 20,61 seconds E]
> 	
> Exception in thread "main" java.lang.ClassCastException: [B
> at com.alta4.phasr.MetadataExample.metadataExample(MetadataExample.java:113)

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